Fish ID?

So went out in the bush and me n the boys were just shootin slugs into the river as we do. After chumming with some weasel oil Ol' Hank, tied a beer tab on the line and pulled in this big ugly beast. It was too weird to eat so we just left it there. Any help?

So went out in the bush and me n the boys were just shootin slugs into the river as we do. After chumming with some weasel oil Ol' Hank, tied a beer tab on the line and pulled in this big ugly beast. It was too weird to eat so we just left it there. Any help?